88668520

素因数分解:

$2^3\times 5^1\times {\mathrm{449}}^1\times {\mathrm{4937}}^1$

素因数の和:5397

約数の個数: 32

約数和(自身を含む): 199989000

約数和(自身を除く): 111320480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 449, 898, 1796, 2245, 3592, 4490, 4937, 8980, 9874, 17960, 19748, 24685, 39496, 49370, 98740, 197480, 2216713, 4433426, 8866852, 11083565, 17733704, 22167130, 44334260, 88668520]

約数ペア:

[(1, 88668520), (2, 44334260), (4, 22167130), (5, 17733704), (8, 11083565), (10, 8866852), (20, 4433426), (40, 2216713), (449, 197480), (898, 98740), (1796, 49370), (2245, 39496), (3592, 24685), (4490, 19748), (4937, 17960), (8980, 9874)]